Topic-icon Incorrect Facebook authentication if click "Continue with Facebook"

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I installed the JFBConnect and completed the config

I try to use my facebook login, the page show "Welcome my-facebook-name"

I try to click "Continue with Facebook" buttom and warming message "Incorrect Facebook authentication" show.

How to solve the problem?
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Support Specialist
Can you verify that you've followed the steps in our Facebook Application setup guide ? Usually when there's an error like that, the application is set up incorrectly. Additionally, can you provide a URL where we can see the behavior in action?

-Melissa
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I tried to verify the setting and found some problem. I try to attach the screen and let you know more.
- In Facebook Application Configuration -> Presentation (1) , try to set the Social Discovery to enabled but fail
- In Facebook Application Configuration -> Page Tab (1) , try to set the Page Tab URL as http (Recommendation) but fail, it change to https after Save Custom Setting.

You can visit noel.com.hk/member-login.html to see it.

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Support Specialist

- In Facebook Application Configuration -> Page Tab (1) , try to set the Page Tab URL as http (Recommendation) but fail, it change to https after Save Custom Setting.

Facebook no longer allows us to set this field in the API. They've moved away from using non-secure page tabs. We have already removed the option in the next release of JFBConnect.

In Facebook Application Configuration -> Presentation (1) , try to set the Social Discovery to enabled but fail

It looks like this option may have been removed as well. It's listed in the Graph API documentation still, but any attempt to fetch or set it with the Graph Debugger does not work. I'll add an issue to our tracker to verify this and remove it in the next release.

-Melissa
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Support Specialist
We'll have to investigate the Social Discovery button. Facebook may have removed or changed how that option works.

For the Page Tab URL, it must be a non-https URL. It's silly since you may just redirect it to https, but that's what Facebook requires.

With that said, can you let us know if you're still having the authentication issue? If so, please let us know a URL where we can test the login and we'll gladly investigate if we can recreate the issue.

Thanks,
Alex
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I found that the error message change to :

Can't load URL: The domain of this URL isn't included in the app's domains. To be able to load this URL, add all domains and sub-domains of your app to the App Domains field in your app settings.

Do you have any suggestion ?

I have checked the setting in Facebook as below screen :
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You can see the error in :

noel.com.hk/member-login.html

After you click the Facebook Login button, you can see the Continue with Facebook button as below screen:

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Support Specialist
The www variant should not be set in the domain field.

I was just able to authenticate on your site with my Facebook credentials. The screenshot that you attached above is the login / registration view shown when Automatic Registration is disabled or a social network does not support returning an email address. On that screen instead of clicking the FB button again, you need to enter a username/pass like the attached screenshot.

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-Melissa
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